./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 885052a9ba9a1b89c8ecd631e4a6fa9f80302c4daf39cd6b1e69b849370591e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:12,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:12,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:12,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:12,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:12,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:12,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:12,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:12,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:12,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:12,941 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:12,943 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:12,943 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:12,946 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:12,946 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:12,947 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:12,947 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:12,948 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:12,949 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:12,949 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:12,950 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:12,951 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:12,952 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:12,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:12,953 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:12,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:12,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:12,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:12,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:12,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:12,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:12,958 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:12,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:12,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:12,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:12,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:12,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:12,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:12,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:12,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:12,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:12,963 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:12,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:12,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:12,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:12,965 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:12,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:12,965 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885052a9ba9a1b89c8ecd631e4a6fa9f80302c4daf39cd6b1e69b849370591e4 [2023-11-23 21:18:13,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:13,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:13,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:13,410 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:13,411 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:13,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:17,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:17,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:17,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:17,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/9fb94eef6/295ee9e276f14e09bdf3654d722c4625/FLAG834c22e75 [2023-11-23 21:18:17,287 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/9fb94eef6/295ee9e276f14e09bdf3654d722c4625 [2023-11-23 21:18:17,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:17,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:17,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:17,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:17,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:17,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766131b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17, skipping insertion in model container [2023-11-23 21:18:17,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:17,520 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i[915,928] [2023-11-23 21:18:17,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:17,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:17,661 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i[915,928] [2023-11-23 21:18:17,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:17,729 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:17,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17 WrapperNode [2023-11-23 21:18:17,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:17,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:17,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:17,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:17,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,813 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 260 [2023-11-23 21:18:17,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:17,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:17,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:17,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:17,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:17,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:17,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:17,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:17,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (1/1) ... [2023-11-23 21:18:17,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:17,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:17,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:17,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:18,166 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:18,168 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:18,981 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:19,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:19,468 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:19,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19 BoogieIcfgContainer [2023-11-23 21:18:19,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:19,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:19,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:19,478 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:19,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:17" (1/3) ... [2023-11-23 21:18:19,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0c159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:19, skipping insertion in model container [2023-11-23 21:18:19,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:17" (2/3) ... [2023-11-23 21:18:19,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ee0c159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:19, skipping insertion in model container [2023-11-23 21:18:19,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19" (3/3) ... [2023-11-23 21:18:19,484 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:19,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:19,507 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:19,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:19,586 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59f85545, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:19,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:18:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:18:19,612 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:19,613 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:19,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:19,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash 139269428, now seen corresponding path program 1 times [2023-11-23 21:18:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:19,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668882597] [2023-11-23 21:18:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:19,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:18:19,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572311460] [2023-11-23 21:18:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:19,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:19,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:19,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:19,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:18:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:20,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:20,582 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:20,585 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:20,586 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:20,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:20,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:20,810 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:20,814 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:20,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:20 BoogieIcfgContainer [2023-11-23 21:18:20,981 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:20,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:20,982 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:20,982 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:20,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:19" (3/4) ... [2023-11-23 21:18:20,985 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:20,986 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:20,987 INFO L158 Benchmark]: Toolchain (without parser) took 3695.16ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 85.0MB in the beginning and 90.5MB in the end (delta: -5.6MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,987 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:20,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.55ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 68.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.57ms. Allocated memory is still 130.0MB. Free memory was 68.2MB in the beginning and 63.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,989 INFO L158 Benchmark]: Boogie Preprocessor took 54.21ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,990 INFO L158 Benchmark]: RCFGBuilder took 1601.22ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 81.8MB in the end (delta: -20.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2023-11-23 21:18:20,991 INFO L158 Benchmark]: TraceAbstraction took 1507.54ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 90.5MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:20,991 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 178.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:20,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.55ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 68.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.57ms. Allocated memory is still 130.0MB. Free memory was 68.2MB in the beginning and 63.5MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.21ms. Allocated memory is still 130.0MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1601.22ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 60.9MB in the beginning and 81.8MB in the end (delta: -20.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1507.54ms. Allocated memory is still 178.3MB. Free memory was 81.8MB in the beginning and 90.5MB in the end (delta: -8.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 178.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 133, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = -0.5; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 64.84; [L25] double var_1_4 = 2.2; [L26] double var_1_5 = 31.875; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] signed char var_1_8 = -10; [L30] signed char var_1_10 = 2; [L31] signed char var_1_11 = 32; [L32] float var_1_12 = 2.5; [L33] signed short int var_1_13 = -64; [L34] signed short int var_1_14 = 8; [L35] float var_1_15 = 7.5; [L36] double var_1_16 = 2.85; [L37] signed char var_1_18 = 64; [L38] signed char var_1_20 = 1; [L39] unsigned char var_1_21 = 5; [L40] unsigned char var_1_22 = 10; [L41] unsigned char var_1_23 = 64; [L42] unsigned char var_1_24 = 2; [L43] float var_1_25 = 63.4; [L44] signed char var_1_26 = 4; [L45] signed char var_1_27 = 32; [L46] unsigned short int var_1_28 = 10; [L47] signed char var_1_29 = -1; [L48] signed char var_1_30 = -4; [L49] signed char var_1_31 = 2; [L50] signed char var_1_32 = -25; [L51] signed char var_1_33 = 1; [L52] signed char var_1_34 = 0; [L53] unsigned long int var_1_35 = 8; [L54] float var_1_36 = 127.7; [L55] float var_1_37 = 0.2; [L56] signed char last_1_var_1_18 = 64; [L57] unsigned char last_1_var_1_21 = 5; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L199] last_1_var_1_18 = var_1_18 [L200] last_1_var_1_21 = var_1_21 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L141] var_1_2 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L143] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_3=1621/25, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L144] var_1_3 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_4=11/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L146] var_1_4 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_5=255/8, var_1_6=0, var_1_7=0, var_1_8=-10] [L148] var_1_5 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L150] var_1_6 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_7=0, var_1_8=-10] [L152] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=0, var_1_8=-10] [L153] var_1_7 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_8=-10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_8=-10] [L155] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=2, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L156] var_1_10 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L158] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=32, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L159] var_1_11 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L161] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_15=15/2, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L162] var_1_15 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L164] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_16=57/20, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L165] var_1_16 = __VERIFIER_nondet_double() [L166] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=1, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L167] var_1_20 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_20 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_20 >= -63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L169] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=10, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L170] var_1_22 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L172] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=64, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L173] var_1_23 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L175] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=2, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L176] var_1_24 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L178] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=32, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L179] var_1_27 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L181] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-4, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L182] var_1_30 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_30 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_30 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L184] CALL assume_abort_if_not(var_1_30 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_30 <= 32) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=2, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L185] var_1_31 = __VERIFIER_nondet_char() [L186] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L187] CALL assume_abort_if_not(var_1_31 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_31 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-25, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L188] var_1_32 = __VERIFIER_nondet_char() [L189] CALL assume_abort_if_not(var_1_32 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_32 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L190] CALL assume_abort_if_not(var_1_32 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_32 <= 32) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=1, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L191] var_1_33 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_33 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_33 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L193] CALL assume_abort_if_not(var_1_33 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_33 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L194] var_1_34 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_34 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_34 >= -31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L196] CALL assume_abort_if_not(var_1_34 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_34 <= 31) VAL [isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=5/2, var_1_13=-64, var_1_14=8, var_1_18=64, var_1_20=63, var_1_21=5, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=317/5, var_1_26=4, var_1_27=0, var_1_28=10, var_1_29=-1, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=8, var_1_36=1277/10, var_1_37=1/5, var_1_6=0, var_1_7=1, var_1_8=-10] [L211] RET updateVariables() [L212] CALL step() [L61] COND TRUE (var_1_3 / var_1_15) >= (var_1_4 - var_1_16) [L62] var_1_14 = var_1_11 [L66] signed short int stepLocal_7 = var_1_14; [L67] signed char stepLocal_6 = var_1_27; [L68] unsigned char stepLocal_5 = var_1_23; [L69] signed char stepLocal_4 = var_1_11; [L70] COND FALSE !(stepLocal_4 >= (var_1_27 - var_1_23)) [L81] COND FALSE !(! (var_1_24 <= var_1_27)) [L84] COND FALSE !(var_1_27 < stepLocal_5) [L87] var_1_29 = (var_1_34 + var_1_27) [L91] unsigned char stepLocal_0 = var_1_7; [L92] COND TRUE \read(var_1_2) [L93] var_1_1 = (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) [L99] COND TRUE \read(var_1_7) [L100] var_1_12 = var_1_5 [L102] signed char stepLocal_2 = var_1_10; [L103] COND TRUE stepLocal_2 <= last_1_var_1_21 [L104] var_1_21 = (((((var_1_22 + var_1_23)) < (var_1_24)) ? ((var_1_22 + var_1_23)) : (var_1_24))) [L108] var_1_25 = (((((9.999999999999975E13f) > (var_1_4)) ? (9.999999999999975E13f) : (var_1_4))) - var_1_3) [L109] COND FALSE !((- 4.75) < (- var_1_15)) [L112] var_1_26 = (var_1_10 - (5 + var_1_27)) [L114] var_1_36 = var_1_3 [L115] var_1_37 = var_1_4 [L116] unsigned char stepLocal_1 = var_1_36 >= var_1_36; [L117] COND TRUE stepLocal_1 || var_1_2 [L118] COND TRUE \read(var_1_7) [L119] var_1_8 = (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))) [L124] var_1_13 = ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) [L125] unsigned char stepLocal_3 = var_1_21; [L126] COND TRUE var_1_29 <= stepLocal_3 [L127] COND TRUE (var_1_1 + var_1_1) != var_1_36 [L128] var_1_28 = ((var_1_23 + var_1_27) + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_26)) [L133] EXPR var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8))) [L133] COND FALSE !((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) [L136] var_1_18 = var_1_11 [L138] var_1_35 = var_1_18 [L212] RET step() [L213] CALL, EXPR property() [L203] EXPR (((((var_1_2 ? (var_1_1 == ((double) (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((double) var_1_4)) : 1)) && (((var_1_36 >= var_1_36) || var_1_2) ? (var_1_7 ? (var_1_8 == ((signed char) (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))))) : 1) : (var_1_8 == ((signed char) (-2 + var_1_11))))) && (var_1_7 ? (var_1_12 == ((float) var_1_5)) : 1)) && (var_1_13 == ((signed short int) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))) && (((var_1_3 / var_1_15) >= (var_1_4 - var_1_16)) ? (var_1_14 == ((signed short int) var_1_11)) : (var_1_14 == ((signed short int) ((((((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) > (last_1_var_1_21)) ? (((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) : (last_1_var_1_21))))))) && (((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) ? (var_1_18 == ((signed char) (var_1_11 + var_1_20))) : (var_1_18 == ((signed char) var_1_11))) [L203-L204] return (((((((((((((var_1_2 ? (var_1_1 == ((double) (((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))))) : ((var_1_6 && var_1_7) ? (var_1_1 == ((double) var_1_4)) : 1)) && (((var_1_36 >= var_1_36) || var_1_2) ? (var_1_7 ? (var_1_8 == ((signed char) (var_1_10 - ((((25) < 0 ) ? -(25) : (25)))))) : 1) : (var_1_8 == ((signed char) (-2 + var_1_11))))) && (var_1_7 ? (var_1_12 == ((float) var_1_5)) : 1)) && (var_1_13 == ((signed short int) ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))) && (((var_1_3 / var_1_15) >= (var_1_4 - var_1_16)) ? (var_1_14 == ((signed short int) var_1_11)) : (var_1_14 == ((signed short int) ((((((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) > (last_1_var_1_21)) ? (((((var_1_11) < ((var_1_10 + last_1_var_1_18))) ? (var_1_11) : ((var_1_10 + last_1_var_1_18))))) : (last_1_var_1_21))))))) && (((var_1_28 ^ ((((var_1_26) > (var_1_8)) ? (var_1_26) : (var_1_8)))) > var_1_10) ? (var_1_18 == ((signed char) (var_1_11 + var_1_20))) : (var_1_18 == ((signed char) var_1_11)))) && ((var_1_10 <= last_1_var_1_21) ? (var_1_21 == ((unsigned char) (((((var_1_22 + var_1_23)) < (var_1_24)) ? ((var_1_22 + var_1_23)) : (var_1_24))))) : (var_1_21 == ((unsigned char) 128)))) && (var_1_25 == ((float) (((((9.999999999999975E13f) > (var_1_4)) ? (9.999999999999975E13f) : (var_1_4))) - var_1_3)))) && (((- 4.75) < (- var_1_15)) ? (var_1_26 == ((signed char) ((((var_1_11) > ((var_1_10 - 16))) ? (var_1_11) : ((var_1_10 - 16)))))) : (var_1_26 == ((signed char) (var_1_10 - (5 + var_1_27)))))) && ((var_1_29 <= var_1_21) ? (((var_1_1 + var_1_1) != var_1_36) ? (var_1_28 == ((unsigned short int) ((var_1_23 + var_1_27) + (((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) + var_1_26)))) : 1) : (var_1_28 == ((unsigned short int) var_1_27)))) && ((var_1_11 >= (var_1_27 - var_1_23)) ? ((var_1_20 <= var_1_27) ? ((! (var_1_15 > 3.8f)) ? (var_1_29 == ((signed char) ((((var_1_10) > (((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27))))) ? (var_1_10) : (((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27)))))))) : 1) : ((((((var_1_23) < ((var_1_24 * var_1_14))) ? (var_1_23) : ((var_1_24 * var_1_14)))) <= var_1_14) ? (var_1_29 == ((signed char) ((var_1_30 + (1 - var_1_31)) + (var_1_32 + ((((var_1_33) < (var_1_34)) ? (var_1_33) : (var_1_34))))))) : 1)) : ((! (var_1_24 <= var_1_27)) ? (var_1_29 == ((signed char) var_1_20)) : ((var_1_27 < var_1_23) ? (var_1_29 == ((signed char) (var_1_27 - var_1_31))) : (var_1_29 == ((signed char) (var_1_34 + var_1_27))))))) && (var_1_35 == ((unsigned long int) var_1_18))) && (var_1_36 == ((float) var_1_3))) && (var_1_37 == ((float) var_1_4)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=4, var_1_13=0, var_1_14=-15, var_1_18=-15, var_1_1=2, var_1_20=63, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=4294967281, var_1_36=5, var_1_37=3, var_1_3=5, var_1_4=3, var_1_5=4, var_1_6=0, var_1_7=1, var_1_8=-20] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, last_1_var_1_21=5, var_1_10=5, var_1_11=-15, var_1_12=4, var_1_13=0, var_1_14=-15, var_1_18=-15, var_1_1=2, var_1_20=63, var_1_21=0, var_1_22=0, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_2=1, var_1_30=-31, var_1_31=0, var_1_32=-31, var_1_33=-31, var_1_34=0, var_1_35=4294967281, var_1_36=5, var_1_37=3, var_1_3=5, var_1_4=3, var_1_5=4, var_1_6=0, var_1_7=1, var_1_8=-20] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 36, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:18:21,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 885052a9ba9a1b89c8ecd631e4a6fa9f80302c4daf39cd6b1e69b849370591e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:23,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:24,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:18:24,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:24,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:24,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:24,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:24,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:24,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:24,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:24,151 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:24,152 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:24,153 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:24,155 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:24,155 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:24,156 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:24,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:24,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:24,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:24,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:24,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:24,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:24,161 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:24,162 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:24,162 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:18:24,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:18:24,164 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:18:24,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:24,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:24,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:24,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:24,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:18:24,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:24,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:24,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:24,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:24,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:24,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:24,170 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:18:24,171 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:24,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:24,172 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:24,173 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:24,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:24,174 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885052a9ba9a1b89c8ecd631e4a6fa9f80302c4daf39cd6b1e69b849370591e4 [2023-11-23 21:18:24,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:24,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:24,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:24,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:24,708 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:24,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:28,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:28,500 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:28,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:28,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/57fee9443/acb995a185cf45a7aa1515ae0feb4192/FLAGc03e5be96 [2023-11-23 21:18:28,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/data/57fee9443/acb995a185cf45a7aa1515ae0feb4192 [2023-11-23 21:18:28,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:28,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:28,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:28,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:28,544 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:28,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:28" (1/1) ... [2023-11-23 21:18:28,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cfa317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:28, skipping insertion in model container [2023-11-23 21:18:28,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:28" (1/1) ... [2023-11-23 21:18:28,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:28,875 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i[915,928] [2023-11-23 21:18:29,022 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:29,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:29,060 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-2.i[915,928] [2023-11-23 21:18:29,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:29,192 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:29,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29 WrapperNode [2023-11-23 21:18:29,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:29,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:29,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:29,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:29,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,301 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-23 21:18:29,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:29,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:29,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:29,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:29,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:29,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:29,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:29,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:29,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (1/1) ... [2023-11-23 21:18:29,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:29,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:29,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:18:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:29,720 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:29,723 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:40,315 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:40,507 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:40,508 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:40,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:40 BoogieIcfgContainer [2023-11-23 21:18:40,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:40,515 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:40,515 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:40,519 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:40,520 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:28" (1/3) ... [2023-11-23 21:18:40,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf298bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:40, skipping insertion in model container [2023-11-23 21:18:40,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:29" (2/3) ... [2023-11-23 21:18:40,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf298bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:40, skipping insertion in model container [2023-11-23 21:18:40,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:40" (3/3) ... [2023-11-23 21:18:40,527 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-2.i [2023-11-23 21:18:40,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:40,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:40,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:40,651 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f6d1746, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:40,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:18:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:18:40,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:40,705 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:40,705 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:40,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:40,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1681136780, now seen corresponding path program 1 times [2023-11-23 21:18:40,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:40,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201960385] [2023-11-23 21:18:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:40,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:40,743 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:40,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:18:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:42,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:18:42,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1006 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-23 21:18:42,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:42,850 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:42,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201960385] [2023-11-23 21:18:42,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201960385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:42,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:42,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:18:42,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094686111] [2023-11-23 21:18:42,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:42,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:18:42,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:42,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:18:42,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:18:42,905 INFO L87 Difference]: Start difference. First operand has 92 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 54 states have internal predecessors, (75), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:18:45,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:45,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:45,458 INFO L93 Difference]: Finished difference Result 181 states and 328 transitions. [2023-11-23 21:18:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:18:45,612 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 221 [2023-11-23 21:18:45,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:45,624 INFO L225 Difference]: With dead ends: 181 [2023-11-23 21:18:45,625 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:18:45,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:18:45,639 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:45,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 21:18:45,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:18:45,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-23 21:18:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:18:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 142 transitions. [2023-11-23 21:18:45,726 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 142 transitions. Word has length 221 [2023-11-23 21:18:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:45,727 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 142 transitions. [2023-11-23 21:18:45,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:18:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2023-11-23 21:18:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:18:45,735 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:45,735 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:45,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:45,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:45,944 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:45,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:45,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1463761096, now seen corresponding path program 1 times [2023-11-23 21:18:45,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:45,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845160277] [2023-11-23 21:18:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:45,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:45,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:45,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:45,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:18:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:47,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:18:47,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:18:48,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:48,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:48,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845160277] [2023-11-23 21:18:48,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845160277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:48,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:48,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:48,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824991034] [2023-11-23 21:18:48,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:48,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:48,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:48,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:48,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:48,168 INFO L87 Difference]: Start difference. First operand 90 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:18:50,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:52,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:54,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:54,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:54,758 INFO L93 Difference]: Finished difference Result 197 states and 309 transitions. [2023-11-23 21:18:54,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:18:54,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 221 [2023-11-23 21:18:54,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:54,933 INFO L225 Difference]: With dead ends: 197 [2023-11-23 21:18:54,933 INFO L226 Difference]: Without dead ends: 108 [2023-11-23 21:18:54,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:54,937 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 18 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:54,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 271 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 21:18:54,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-23 21:18:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97. [2023-11-23 21:18:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.3559322033898304) internal successors, (80), 59 states have internal predecessors, (80), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:18:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 152 transitions. [2023-11-23 21:18:54,966 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 152 transitions. Word has length 221 [2023-11-23 21:18:54,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:54,970 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 152 transitions. [2023-11-23 21:18:54,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:18:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-23 21:18:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:18:54,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:54,979 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:55,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:55,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:55,196 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:55,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:55,196 INFO L85 PathProgramCache]: Analyzing trace with hash -870043569, now seen corresponding path program 1 times [2023-11-23 21:18:55,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:55,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610900222] [2023-11-23 21:18:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:55,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:55,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:55,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:55,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:18:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:56,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:18:56,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:18:57,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:57,112 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610900222] [2023-11-23 21:18:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610900222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:57,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:57,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:18:57,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960555217] [2023-11-23 21:18:57,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:57,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:18:57,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:57,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:18:57,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:18:57,116 INFO L87 Difference]: Start difference. First operand 97 states and 152 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:18:59,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:01,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:03,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:04,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:04,062 INFO L93 Difference]: Finished difference Result 232 states and 357 transitions. [2023-11-23 21:19:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:04,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-11-23 21:19:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:04,067 INFO L225 Difference]: With dead ends: 232 [2023-11-23 21:19:04,068 INFO L226 Difference]: Without dead ends: 136 [2023-11-23 21:19:04,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:04,070 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 38 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:04,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 269 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-11-23 21:19:04,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-23 21:19:04,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-11-23 21:19:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 88 states have internal predecessors, (117), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 42 states have call predecessors, (43), 43 states have call successors, (43) [2023-11-23 21:19:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2023-11-23 21:19:04,100 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 222 [2023-11-23 21:19:04,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:04,101 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2023-11-23 21:19:04,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:19:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2023-11-23 21:19:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:19:04,107 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:04,107 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:04,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:04,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:04,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:04,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:04,323 INFO L85 PathProgramCache]: Analyzing trace with hash 904963793, now seen corresponding path program 1 times [2023-11-23 21:19:04,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:04,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896821779] [2023-11-23 21:19:04,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:04,330 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:04,331 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:19:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5e4f91f-7641-442a-baa3-4f8f59a9083a/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:19:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:06,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-23 21:19:06,660 INFO L285 TraceCheckSpWp]: Computing forward predicates...